/* Modern Color Scheme */
:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --success-color: #10b981;
    --info-color: #3b82f6;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --light-bg: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --card-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --card-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --card-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

* {
    box-sizing: border-box;
}

body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-attachment: fixed;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Modern Container */
.container-fluid {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header - Modern Design */
.page-title {
    color: #ffffff;
    font-weight: 800;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    letter-spacing: -0.02em;
}

.page-title i {
    margin-right: 0.75rem;
    color: var(--primary-light);
}

.text-muted {
    color: rgba(255, 255, 255, 0.9) !important;
    font-size: 1.1rem;
    font-weight: 400;
}

#lastUpdated {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-top: 0.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

#lastUpdated i {
    color: var(--primary-light);
}

/* Modern Cards with Glassmorphism */
.card {
    background: var(--card-bg);
    border: none;
    border-radius: 1rem;
    box-shadow: var(--card-shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-2px);
}

/* Filter Card - Modern Design */
.filter-card {
    background: rgba(255, 255, 255, 0.98);
    border-radius: 1.25rem;
    box-shadow: var(--card-shadow-lg);
    margin-bottom: 2rem;
    overflow: hidden;
}

.filter-card .card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    padding: 1.5rem 2rem;
    border-radius: 0;
}

.filter-card .card-header h5 {
    margin: 0;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.01em;
}

.filter-card .card-header i {
    margin-right: 0.75rem;
    font-size: 1.1rem;
}

.filter-card .card-body {
    padding: 2rem;
}

/* Summary Cards - Modern Gradient Design */
.summary-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 1.25rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    position: relative;
    color: white;
}

.summary-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 100%);
    pointer-events: none;
}

.summary-card:nth-child(1) {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.summary-card:nth-child(2) {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.summary-card:nth-child(3) {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.summary-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.summary-card .card-body {
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.summary-card .card-body h6 {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
    margin-bottom: 1rem;
    opacity: 0.95;
}

.summary-card .card-body h2 {
    color: white;
    font-weight: 800;
    font-size: 3rem;
    margin: 0;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    letter-spacing: -0.02em;
}

/* Modern Form Controls */
.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    letter-spacing: 0.01em;
}

.form-select,
.form-control {
    border: 2px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    background: white;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.form-select:focus,
.form-control:focus {
    border-color: var(--primary-color);
    outline: 0;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
    transform: translateY(-1px);
}

.form-select:disabled {
    background-color: #f1f5f9;
    opacity: 0.7;
    cursor: not-allowed;
}

/* Modern Buttons */
.btn {
    border-radius: 0.75rem;
    padding: 0.75rem 2rem;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    letter-spacing: 0.01em;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 6px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 12px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.btn-secondary:hover {
    background: var(--light-bg);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Modern Tables */
.table {
    margin-bottom: 0;
    border-collapse: separate;
    border-spacing: 0;
}

.table thead th {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: none;
    border-bottom: 3px solid var(--primary-color);
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
    padding: 1.25rem 1rem;
}

.table tbody tr {
    transition: all 0.2s ease;
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.05) 0%, rgba(99, 102, 241, 0.02) 100%);
    transform: scale(1.01);
}

.table tbody td {
    padding: 1.25rem 1rem;
    vertical-align: middle;
}

.table-bordered {
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    overflow: hidden;
}

.table-bordered th:first-child,
.table-bordered td:first-child {
    border-left: none;
}

.table-bordered th:last-child,
.table-bordered td:last-child {
    border-right: none;
}

.text-end {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-weight: 600;
    color: var(--text-primary);
}

/* Loading Spinner - Modern */
.spinner-border {
    width: 3.5rem;
    height: 3.5rem;
    border-width: 0.35em;
    border-color: var(--primary-color);
    border-right-color: transparent;
    animation: spinner-border 0.75s linear infinite;
}

@keyframes spinner-border {
    to {
        transform: rotate(360deg);
    }
}

/* Error Message - Modern */
.alert {
    border-radius: 1rem;
    border: none;
    padding: 1.25rem 1.5rem;
    box-shadow: var(--card-shadow);
}

.alert-danger {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #991b1b;
    border-left: 4px solid var(--danger-color);
}

/* Charts - Modern Container */
.card .card-body {
    padding: 1.5rem;
}

#chartPermohonanPilihan,
#chartTawaranPilihan,
#chartPermohonanAliran,
#chartTawaranAliran,
#chartPermohonanJantina,
#chartTawaranJantina,
#chartPermohonanSesi,
#chartTawaranSesi {
    min-height: 350px;
    padding: 1rem;
}

/* Language Switcher - Modern */
.language-switcher {
    margin-left: auto;
}

.language-switcher .btn-group {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-radius: 0.75rem;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.language-switcher .btn-group .btn {
    min-width: 55px;
    padding: 0.5rem 1rem;
    background: transparent;
    border: none;
    color: white;
    font-weight: 600;
    transition: all 0.3s ease;
}

.language-switcher .btn-group .btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.language-switcher .btn.active {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container-fluid {
        padding: 1rem;
    }

    .page-title {
        font-size: 1.75rem;
    }

    .summary-card .card-body h2 {
        font-size: 2.25rem;
    }

    .table-responsive {
        font-size: 0.875rem;
    }

    .btn {
        width: 100%;
        margin-bottom: 0.75rem;
    }

    .filter-card .card-body {
        padding: 1.5rem;
    }

    .language-switcher {
        margin-left: 0;
        margin-top: 1rem;
    }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    opacity: 0.4;
    color: var(--primary-color);
}

/* Card Header Icons */
.card-header h5 i {
    margin-right: 0.75rem;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.filter-card .card-header h5 i {
    color: white;
}

/* Number Formatting */
.number-large {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

/* Success Rate Badge */
.badge-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: 0.75rem;
    font-size: 0.95rem;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(16, 185, 129, 0.3);
}

/* Smooth Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeIn 0.5s ease-out;
}

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
.card:nth-child(4) { animation-delay: 0.4s; }

/* Modern Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light-bg);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Additional Modern Touches */
.row {
    margin-left: -0.75rem;
    margin-right: -0.75rem;
}

.row > * {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
}

/* Chart Cards */
.card .card-header {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-bottom: 2px solid var(--border-color);
    padding: 1.25rem 1.5rem;
}

.card .card-header h5 {
    margin: 0;
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.1rem;
}

/* Loading Text */
#loadingIndicator p {
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 1rem;
}